x_left = [[1.0, 2], [3, 4.0], [5.0, 6]]

aMove = 1.00
bMove = -2.00
xMove = 0
i = 0

for i in x_left:
  # xMove = aMove * x_left[0][0] + bMove
  #  xMove = aMove * x_left[i][0] + bMove
  xMove = aMove * i[0] + bMove
print(xMove)
